Ϊԭ㡣ұԲηΪ
\( (x-4)^2+y^2=64\)
α߳Ϊ\(2a\)C\((-a,a)\)÷
\((a+4)^2+a^2=64\)
˷̿ɵñ߳ƺ\(\sqrt{7}\)
\( (x-4)^2+y^2=64\)
α߳Ϊ\(2a\)C\((-a,a)\)÷
\((a+4)^2+a^2=64\)
˷̿ɵñ߳ƺ\(\sqrt{7}\)
所跟帖: ƽÕý : Ãæ»ý¼ÆËã 2021-08-30 20:17:45
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